Can this agreement be signed electronically?

Yes. Under the federal ESIGN Act (15 U.S.C. ch. 96) and state UETA statutes, electronic signatures are generally legally binding if the parties show intent, consent, attribution, and retention capability. Exceptions include certain court orders or documents that state law excludes.

Is notarization required for the addition?

Notarization for the addition itself is uncommon, but attached exhibits such as deed amendments or easements typically require a notary or witness per state law. Check local rules for deeds and title-affecting instruments.

Who must sign the document?

Authorized signatories for the owner (individual or corporate officer) and the contractor (company officer or authorized agent) must sign. Lender or title company signatures may be required when mortgage or title interests exist.

Do permits need to be filed before work starts?

Yes. Most jurisdictions require approvals before commencing construction. Submitting the signed addition agreement with permit applications helps demonstrate contractual authority and project scope.

Can I use remote online notarization (RON)?

If your state permits permanent RON and the notary follows identity-proofing and audio-video recording rules, RON is acceptable for notarizing exhibits. Verify state notary rules before relying on RON.

How should executed copies be stored?

Retain signed originals or tamper-evident PDFs for the project term plus recommended retention periods. Use secure storage with access controls and maintain audit logs for legal and regulatory compliance.

Electronic Signature
Templates
Miscellaneous
Construction Building Addition

Construction Building Addition

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

CONSTRUCTION BUILDING ADDITION AGREEMENT

This Construction Building Addition Agreement (the Agreement) is entered into by and between Owner Name: with mailing address: , and Contractor Name: , Contractor License Number: , Contractor Address: .

RECITALS

WHEREAS, Owner owns the real property and existing building located at: (the Site); and

WHEREAS, Owner desires Contractor to perform construction work consisting of an addition to the existing building described as: (the Project); and

WHEREAS, Contractor represents that it is duly licensed, experienced, and equipped to perform the Project and will comply with all applicable laws, building codes and permit requirements.

SCOPE OF WORK

Detailed Scope of Work

PAYMENT TERMS

Contract Price (Total) Deposit / Initial Payment Payment Schedule Retainage Late Payment Fee

All payments are due in United States Dollars. Failure to pay undisputed amounts when due constitutes a material breach permitting Contractor to suspend work after seven (7) days' written notice. Owner shall pay reasonable costs of collection, including attorney fees, for overdue sums.

CHANGE ORDERS

Any change to the Scope of Work, Contract Price, or Schedule must be documented by a written Change Order signed by both Owner and Contractor. No oral change will be effective. Change Orders shall specify price adjustments, time impacts, and any other revisions to contract terms.

Change Order Approval Required

Contractor shall not proceed with any additional work until a signed Change Order is executed.

TERM AND TERMINATION

Commencement of Work: Work under this Agreement shall commence on or about .

Substantial Completion: Contractor shall achieve substantial completion by , subject to adjustments for approved Change Orders and excusable delays.

Termination Notice Period

Either party may terminate for cause if the other party materially breaches this Agreement and fails to cure within the notice period above. Owner may terminate for convenience upon written notice and payment for work performed, materials procured, and reasonable demobilization costs.

CONFIDENTIALITY

Each party shall treat as confidential all nonpublic information disclosed by the other party in connection with the Project, including pricing, technical data, and business terms (Confidential Information). Confidential Information shall not include information that becomes public through no fault of the receiving party or is independently developed. Confidential Information shall be used solely for performance of this Agreement and returned or destroyed upon request.

INSURANCE, INDEMNITY & WARRANTIES

Insurance Requirements

Indemnity: Contractor shall indemnify, defend and hold harmless Owner from claims, damages or liabilities arising from Contractor's performance, except to the extent caused by Owner's negligence or willful misconduct. This indemnity survives completion of the Project.

Express Warranty Period

Contractor warrants that all work will be performed in a good and workmanlike manner in accordance with industry standards and the Contract Documents for the warranty period specified above. Remedies shall include repair or replacement at Contractor's expense.

COMPLIANCE, LIENS & PERMITS

Contractor shall obtain and pay for all permits and inspections required for performance of the Work unless otherwise agreed in writing. Contractor shall pay subcontractors and suppliers and shall keep the Site free of mechanics' liens by timely payment. Owner may withhold payment for undisputed claims encumbering the Site until resolved.

Permits Responsibility

Contractor responsible for obtaining permits Owner responsible for obtaining permits

DELAYS AND FORCE MAJEURE

Neither party shall be liable for delays caused by events beyond its reasonable control, including acts of God, labor disputes, material shortages, governmental actions, or unusually severe weather (Force Majeure). Time for performance shall be extended for the period of such delay.

DISPUTE RESOLUTION & GOVERNING LAW

The parties shall attempt in good faith to resolve disputes through negotiation. If unresolved within thirty (30) days, disputes shall be resolved by binding arbitration or litigation as selected below. Governing Law:

Arbitration preferred Litigation preferred

ENTIRE AGREEMENT

This Agreement, including the Scope of Work, Change Orders and any attached exhibits, constitutes the entire agreement between the parties with respect to the subject matter and supersedes all prior negotiations, representations, or agreements, whether written or oral. No amendment shall be effective unless in writing and signed by both parties.

REPRESENTATIONS AND CERTIFICATIONS

Each party represents that it has the authority to enter this Agreement, that any person signing has been duly authorized, and that performance will comply with applicable laws. Contractor certifies it maintains required insurance and licenses and will require the same of its subcontractors.

Owner Name:

By:

Date:

Contractor Name:

By:

Date:

What the Construction Building Addition document is

A Construction Building Addition documents the agreed scope, timelines, costs, and responsibilities for adding square footage or structural elements to an existing building. It typically combines a scope of work, construction specifications, payment schedule, insurance and permit responsibilities, and change-order procedures. The form provides a clear record for owners, contractors, subcontractors, and local permitting authorities so parties understand deliverables, site access, inspection milestones, and risk allocation before work begins.

Why a clear Construction Building Addition matters

A well-prepared Construction Building Addition reduces disputes by documenting scope, budget, schedule, and inspection criteria up front. It clarifies who secures permits, holds insurance, and pays for change orders, which helps contractors and owners manage cost, compliance, and project timelines.

Who typically completes this document

The Construction Building Addition is completed by project stakeholders who must agree to scope, cost, and compliance requirements before work begins.

Property owners and developers who authorize design changes and approve budgets, ensuring permit and financing responsibilities are recorded.
General contractors who accept scope, schedule, subcontractor coordination, and payment terms to avoid later claims.
Architects or engineers who attach plans, specifications, and inspection criteria as enforceable exhibits to the agreement.

Accurate completion helps inspectors, lenders, and insurers verify compliance and reduces the likelihood of payment or permit disputes later.

Essential sections of a professional Construction Building Addition

Include clear, enforceable provisions that define work, payment, approvals, and change control to reduce ambiguity during construction and inspections.

Scope of Work

Detailed description of added square footage, materials, and finishes, with references to attached plans and construction drawings.

Schedule

Start and completion dates, milestone inspections, and liquidated damages or extension provisions for weather and permitting delays.

Payment Terms

Contract sum, progress payment schedule, retainage, conditions for release of retainage, and consequences for late payment.

Permits & Approvals

Specify who obtains building permits, pays fees, and coordinates inspections with local authorities; attach permit numbers when available.

Change Orders

Formal change-order procedure with written authorization, price adjustments, and schedule impacts documented before extra work proceeds.

Insurance & Indemnity

Required coverage types and limits, certificate naming, and indemnity clauses allocating responsibility for third-party claims and property damage.

Required information fields at a glance

Project Address: Street, city, state, ZIP

Parties: Owner and contractor legal names

Effective Date: MM/DD/YYYY format

Contract Sum: Total dollars and currency

Permit Numbers: Local building permit IDs

Signatures: Printed name, title, date

Step-by-step: completing the Construction Building Addition

Follow these sequential steps to assemble, approve, and execute the addition agreement with minimal administrative friction.

01

Gather documents: Collect plans, cost estimates, and permits.
02

Draft scope: Describe work clearly and attach drawings.
03

Agree terms: Negotiate schedule, payments, and insurance.
04

Execute: Sign, notarize if required, and distribute copies.

Where to file and whom to send completed copies

After execution, route the signed Construction Building Addition to project stakeholders and local authorities as required for permits and inspections.

Local Building Department: File permit application and attach signed agreement.
Owner and Contractor: Provide fully executed copies for project records.
Lenders or Title Company: Send if mortgage or title interests exist.
Subcontractors: Distribute relevant scope and payment terms.

Digital signing and eSubmission considerations

Use an eSignature workflow that preserves an audit trail, supports required authentication, and exports a tamper-evident signed PDF.

Authentication: Email, SMS, or stronger methods
Audit Trail: Capture IP, timestamp, and events
File Formats: PDF or DOCX accepted

Ensure the chosen platform supports the authentication and retention practices required by your local permitting authority and internal records policy.

How to configure an online completion workflow

Set up fields, authentication, and routing to mirror the paper process and preserve compliance.

Field	Configuration
Upload Document	PDF or DOCX source file
Place Fields	Signature, initials, dates, checkboxes
Authentication	Email link, SMS code, or KBA
Routing Order	Specify signer sequence and conditional steps

Common timelines and permit-related deadlines

Plan for inspection windows, permit expiration, and payment milestones to avoid project interruptions and fines.

Permit Application:

Submit before starting work; local review varies by jurisdiction

Inspection Requests:

Schedule in advance; typical wait times vary from 24 hours to several weeks

Completion Certificate:

Obtain final inspection sign-off before occupancy or use

Payment Milestones:

Align with inspections and deliverables to protect parties

Permit Expiration:

Permits may expire if work is inactive for extended periods

Key project milestones from contract to completion

Typical milestone sequence helps coordinate approvals, procurement, and inspections on a predictable timeline.

01

Contract Execution

Agreement signed and dated; triggers permit submission.

02

Permit Issuance

Local authority issues permit allowing work to start.

03

Mid-Project Inspection

Framing, electrical, or plumbing inspections as required.

04

Final Inspection

Completed work inspected and certificate issued.

Penalties and legal risks of incorrect or missing documentation

Permit Violations: Fines, stop-work orders

Contract Disputes: Payment withholding, lien claims

Liability Exposure: Increased insurer denial risk

Tax Implications: Deduction disputes with IRS

Recordkeeping Failures: Noncompliance with regulations

Fraudulent Changes: Breach of contract remedies

Common mistakes to avoid when preparing the addition agreement

Vague scope descriptions that omit material specifications, leading to differing expectations and later claims.
No change-order process or verbal approvals recorded, which creates disputes over extra work and payment.
Failure to specify who secures permits and inspections, causing delays and potential fines.
Mismatched party names or missing signatures that delay enforcement, title actions, or lender disbursements.

Real-world examples of Construction Building Addition usage

Concrete examples show how parties resolved scope, permitting, and payment coordination in completed projects.

Martin Properties — Small commercial addition

The owner used an executed addition agreement to define tenant fit-out limits and schedule

Contractor obtained permits and phased inspections
As a result, inspections matched contract milestones and final occupancy was approved without dispute, enabling timely lease commencement.

BIS — Contractor—owner coordination

The contractor attached detailed drawings and a change-order matrix to the addition agreement

Owner required signed change orders before payment
This reduced back-and-forth approval time and prevented multiple unpaid claims during closeout.

Practical tips for accurate and efficient completion

Follow these practices to reduce errors, speed approvals, and create a defensible project record.

Use clear attachments

Attach dated, version-controlled drawings and schedules. Referencing unnumbered or undated plans invites disagreements about applicable scope.

Define payment triggers

Link specific inspections or percent complete to payment milestones and require lien waivers on payment releases to manage subcontractor claims.

Specify permit responsibilities

State which party secures permits, pays fees, and schedules inspections to avoid administrative delays and fines.

Preserve execution evidence

Collect signed PDFs with certificates of completion, notarizations if required, and maintain an immutable audit trail for dispute resolution.

Pricing comparison: eSignature platforms for signing building additions

Choose a platform that supports required authentication, audit trails, and any necessary compliance such as HIPAA or 21 CFR Part 11 for regulated projects.

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting Price	$8/user/mo	$15/user/mo	$14/user/mo	$19/user/mo	$15/user/mo
Free Trial	7-day free trial	Varies	Varies	Varies	Varies
Bulk Send	Yes	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
Envelope Cap	No cap	100 envelopes/user/year	Varies	Varies	Varies

Frequently asked questions about Construction Building Addition

Answers to common questions about signing, permits, notarization, and distribution for building addition agreements.

Need help? Contact support

Can this agreement be signed electronically?
Yes. Under the federal ESIGN Act (15 U.S.C. ch. 96) and state UETA statutes, electronic signatures are generally legally binding if the parties show intent, consent, attribution, and retention capability. Exceptions include certain court orders or documents that state law excludes.
Is notarization required for the addition?
Notarization for the addition itself is uncommon, but attached exhibits such as deed amendments or easements typically require a notary or witness per state law. Check local rules for deeds and title-affecting instruments.
Who must sign the document?
Authorized signatories for the owner (individual or corporate officer) and the contractor (company officer or authorized agent) must sign. Lender or title company signatures may be required when mortgage or title interests exist.
Do permits need to be filed before work starts?
Yes. Most jurisdictions require approvals before commencing construction. Submitting the signed addition agreement with permit applications helps demonstrate contractual authority and project scope.
Can I use remote online notarization (RON)?
If your state permits permanent RON and the notary follows identity-proofing and audio-video recording rules, RON is acceptable for notarizing exhibits. Verify state notary rules before relying on RON.
How should executed copies be stored?
Retain signed originals or tamper-evident PDFs for the project term plus recommended retention periods. Use secure storage with access controls and maintain audit logs for legal and regulatory compliance.

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